Research Article
Study on the Applicability of Elastic Recovery (Resilience) Experiment for Asphalt-Rubber
Table 3
Classification standard of road surface roughness in ISO/TC 108/SCN67.
| Road surface grades | G0 × 10−6(m2.c.m−1) | Lower limit | Upper limit | Geometric average |
| A | 8 | 32 | 16 | B | 32 | 128 | 64 | C | 128 | 512 | 256 | D | 512 | 2048 | 1024 | E | 2048 | 8192 | 4096 | F | 8192 | 32768 | 16384 | G | 32768 | 65536 | 131072 | H | 131072 | 262144 | 524288 |
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